/* 上面第一块内容包含灰色条，图标，导航，图片 */

.div1 {
    width: 100%;
    height: 180px;
    /* max-width: 1400px; */
    /* border: 1px solid green; */
}


/* 最顶上的灰色条 */

.top {
    width: 100%;
    height: 30px;
    /* border: 1px solid black; */
    background: #F0F0F0;
    position: relative;
    left: 0;
    top: 0;
}

.top_show {
    width: 1020px;
    height: 30px;
    /* border: 1px solid red; */
     /*background: red; */
    /* position: absolute;
    left: 450px; */
    position: relative;
    margin:0 auto; 
    
}


/* 灰色条里的设为首页和联系我们 */

.top_left {
    width: 160px;
    height: 30px;
    /* border: 1px solid blue; */
    position: absolute;
    left: 0;
    top: 0;
}


/* 设为首页 */

.main_page {
    width: 70px;
    height: 19px;
    color: #5A5A5A;
    font-size: 15px;
    text-align: center;
    line-height: 18px;
    /* border: 1px solid green; */
    position: absolute;
    top: 4px;
    left: 0;
}


/* 联系我们 */

.lianxi {
    width: 70px;
    height: 19px;
    color: #5A5A5A;
    font-size: 15px;
    text-align: center;
    line-height: 18px;
    /* border: 1px solid green; */
    position: absolute;
    top: 4px;
    left: 70px;
    border-left: 1px solid#5A5A5A;
}


/* 灰色条右边的联系电话 */

.tel {
    width: 250px;
    height: 30px;
    color: #5A5A5A;
    font-size: 15px;
    line-height: 30px;
    /* border: 1px solid green; */
    position: absolute;
    top: 0;
    right: 0;
}


/* 公司图标这一行 */

.icon {
    width: 1020px;
    height: 100px;
    /* border: 1px solid blue; */
    background: white;
    position: relative;
    margin:0 auto;
}


/* 图片定位 */

.icon>img {
    position: absolute;
    top: 0;
    left: 0px;
}


/* 导航栏  */

.nav {
    width: 100%;
    height: 50px;
    line-height: 50px;
    background: #44596E;
    position: relative;
    left: 0;
    top: 0;
}


/* 导航栏里的内容 */

.items {
    width: 1020px;
    height: 50px;
    
    /* position: absolute;
    top: 10px;
    left: 450px; */
    /* border: 1px solid red; */
    position: relative;
    margin:0px auto;
}


/* 每一个导航栏的div */

.nav_item {
    width: 120px;
    height: 30px;
    color: #DFE5F5;
    font-weight: large;
    text-align: center;
    line-height: 30px;
    margin-top:10px;
    border-left: 1px solid#ccc;
    /* position: absolute; */
}


/* 网站首页 */

.div1_item1 {
    border-left: none;
    position: absolute;
    left: 0;
    top: 0;
}


/* 关于我们 */

.div1_item2 {
    position: absolute;
    left: 122px;
    top: 0;
}


/* 新闻中心 */

.div1_item3 {
    position: absolute;
    left: 244px;
    top: 0;
}


/* 工程案例 */

.div1_item4 {
    position: absolute;
    left: 366px;
    top: 0;
}


/* 人才招聘 */

.div1_item5 {
    position: absolute;
    left: 488px;
    top: 0;
}


/* 在线留言 */

.div1_item6 {
    position: absolute;
    left: 610px;
    top: 0;
}


/* 联系我们 */

.div1_item7 {
    position: absolute;
    left: 732px;
    top: 0;
}


/* 图片部分 */
.img{
    width:100%;
}
.img >img{
    width:100%;
}


